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白垩纪-古近纪汇聚板块边缘岩浆与古气候事件耦合研究 学位论文
中国科学院海洋研究所: 中国科学院大学, 2022
作者:  王鲲
收藏  |  浏览/下载：20/0  |  提交时间：2022/12/12
日本  OAEs  年波组  PETM  帕那组  EECO  
酮/肼反应制备环丙基甲基酮连氮研究 学位论文
: 中国科学院大学, 2020
作者:  赵文昭
收藏  |  浏览/下载：3/0  |  提交时间：2021/09/07
反应分子动力学模拟揭示CL-20共晶热分解全景式反应机理 学位论文
: 中国科学院大学, 2020
作者:  任春醒
收藏  |  浏览/下载：15/0  |  提交时间：2021/09/07
基于高分辨质谱的土壤溶解性有机质化学多样性研究 学位论文
北京: 中国科学院生态环境研究中心, 2018
作者:  李晓明
收藏  |  浏览/下载：24/0  |  提交时间：2020/07/15
土壤溶解性有机质， 化学多样性，微生物多样性， 傅立叶变换离子回旋 共振质谱  decreased WIth IncreasIng Iron ComplexIng Index. PAtterns In Molecular PrOfiles IndicAted Dom In Paddy Soils To Become More RecalcItrAnt At Higher Soil C/n rAtio And Higher Soil Ph. furTherMore, PlAnt-derived polyPh.nols And Pyrogenic Dom Were retaIned Favorably By Iron And The ChemodiversIty Of Dom In Paddy Soil Increased WIth IncreasIng Soil C/n rAtios. These Results Provide Novel InFormAtion regardIng Dom Characteristics At a Molecular Level And Will InForm Better Global MAnagement Of Soil Carbon In Paddy Soil EcosysteMs Global. 2) Through The applicAtion Of Ft-icr-Ms, The ChemodiversIty Of Dom In Soil Subjected To Long-term OrgAnic Carbon And InOrgAnic Fertilizer Amendments Was Established. In Parallel, Bcc Was Assessed. Through This Coupled Approach It Was Established.thAt sustaIned OrgAnic Carbon Amendment Resulted In: SignificAntly (p < 0.05) Increased Total Carbon And Total nItrogen Reservoirs In Soil, Dom PrOfiles Of greAter ChemodiversIty, And Emergence Of RecalcItrAnt Dom Moieties (H/c < 1.5). In Contrast, Carbon And nItrogen Reservoirs In Soil Subjected To sustaIned InOrgAnic Fertilizer applicAtion Were Unaltered, While Soil OrgAnic Carbon ChemodiversIty Was Observed To Shift To Less RecalcItrAnt Dom Moieties (H/c rAtio > 1.5 And O/c rAtios < 0.5). furTherMore, sustaIned OrgAnic Carbon Amendment Shaped Bcc To a eutroPh.c stAte While Long-term Chemical fertilizAtion Directed The Bcc Towards An oligotroPh.c stAte. Higher connectivIty And Network complexIty Were Observed In OrgAnic Carbon Amended Soils. Dom-Bcc Network Analysis, IndicAtIng thAt Soil Microbes Had More Interaction WIth Dom Molecules followIng sustaIned OrgAnic mAtter Input. These Results Highlight The Potential For OrgAnic Carbon Amendments To Not Only Build Soil Carbon sTocks And Increase Their Resilience, But To Also Improve The Functional stAte Of Soil Microbial communIties. Key Words: Dom, ChemodiversIty, Microbial diversIty, Ft-icr Ms  
利用热力学方法研究甘氨酸和氯化镁-乙醇加合物结晶动力学 学位论文
: 中国科学院研究生院, 2018
作者:  ZIAUL HAQUE ANSARI
收藏  |  浏览/下载：61/0  |  提交时间：2019/03/29
WS2/g-C3N4复合光催化剂的制备及在人工光合作用体系中的应用 学位论文
: 中国科学院大学, 2018
作者:  曾鹏
收藏  |  浏览/下载：114/0  |  提交时间：2019/04/02
长江口表层沉积物生源要素时空分布特征及其影响因素研究 学位论文
硕士, 北京: 中国科学院大学, 2017
作者:  张珊珊
收藏  |  浏览/下载：21/0  |  提交时间：2017/06/01
我国典型潮间带沉积物中氮污染状况及浮游细菌群落对氮污染的响应 学位论文
硕士, 北京: 中国科学院大学, 2017
作者:  王恩辉
收藏  |  浏览/下载：52/0  |  提交时间：2017/06/12
人类活动影响下胶州湾的大气干湿沉降与营养物质收支 学位论文
博士, 北京: 中国科学院大学, 2017
作者:  邢建伟
收藏  |  浏览/下载：92/0  |  提交时间：2017/05/31
氮磷供应条件对盐地碱蓬生长及生态化学计量特征的影响 学位论文
硕士, 北京: 中国科学院大学, 2017
作者:  冉越男
收藏  |  浏览/下载：26/0  |  提交时间：2017/06/09

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